Question 33
Permutations and CombinationsIn how many ways can 9 people be seated on a bench if only 3 places are available?
- A.1200
- B.504
- C.320
- D.204
Show the answer and explanation
Answer: B (504)
Explanation
Order matters: ⁹P₃ = 9 × 8 × 7 = 504.
In how many ways can 9 people be seated on a bench if only 3 places are available?
Answer: B (504)
Order matters: ⁹P₃ = 9 × 8 × 7 = 504.